Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie effectsofzebramu00ontauoft Year: 1997 76 78 80 82 84 86 88 90 92 94 Year 76 78 80 82 84 86 88 90 92 94 Year Appendix Figure l. Monthly mean chlorophyll a concentrations during winter (December, January and February) and spring (March, April and May) with ARIMA forecasts for the post zebra mussel period at the five Lake Erie sampling locations. Measured data points lying outside the +95 confidence envelope of a forecast imply a significant deviation from those expected on the basis o
Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie effectsofzebramu00ontauoft Year: 1997 76 78 80 82 84 86 88 90 92 94 Year 76 78 80 82 84 86 88 90 92 94 Year Appendix Figure l. Monthly mean chlorophyll a concentrations during winter (December, January and February) and spring (March, April and May) with ARIMA forecasts for the post zebra mussel period at the five Lake Erie sampling locations. Measured data points lying outside the +95 confidence envelope of a forecast imply a significant deviation from those expected on the basis of the pre-zebra mussel data. 35
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